How many people can the world support? "If we live like Americans; 200 million." http://www.davidsuzuki.org/blogs/science-matters/2011/11/is-seven-billion-people-too-many/ …
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How many people can the world support? "If we live like Americans; 200 million." http://www.davidsuzuki.org/blogs/science-matters/2011/11/is-seven-billion-people-too-many/ …